Last Frost Date Hesperia: Frost Dates, Late Frost Risk & Growing Season

When is the last spring frost and the first autumn frost in Hesperia? Frost dates from 30 years of data, the risk of late frost, frost-free days and planting dates.

The frost season in Hesperia

Last frost (average): March 29
In 1 year out of 10 it still freezes on April 16.
First frost: November 27
Frost-free season: 243 days
Frost after 15 May: in 0 % of years

Frost days per month in Hesperia

January: 8.4 · 2 °C
February: 7 · 3 °C
March: 3.6 · 4 °C
April: 1.2 · 6 °C
May: 0 · 9 °C
June: 0 · 13 °C
July: 0 · 18 °C
August: 0 · 18 °C
September: 0 · 16 °C
October: 0 · 11 °C
November: 3 · 5 °C
December: 10.4 · 2 °C

No weather station nearby: plain grid values, which are often a little too cold – dates may therefore be late.
Daily minimum temperatures 2 m above ground over 30 years (1991–2020), NASA POWER; station data: Deutscher Wetterdienst (CC BY 4.0). Ground frost can form while the air at 2 m is still +2 to +3 °C.